Sonus faber Extrema Vintage (like the Minima Amator Vintage they already resurected) would be most interesting. They would have to substitute the KEF B139 passive radiator though, as the whole remaining stock of B139 drive units have been bought by Wilson (to service the WAMM model).
There is a Trent from Wilson holding one of those precius spares:
There is a Trent from Wilson holding one of those precius spares: